| Title | Surface acoustic wave 915 MHz resonator oscillator gas sensors using SnO2 nanowires-based nanocomposite layer |
|---|---|
| Publication Type | Presentazione a Congresso |
| Year of Publication | 2008 |
| Authors | Penza, Michele, Aversa Patrizia, Suriano Domenico, Cassano Gennaro, Serra Emanuele, Comini E., Faglia G., and Sberveglieri G. |
| Conference Name | Proceedings of IEEE Sensors |
| Conference Location | Lecce |
| Keywords | Acoustic resonators, Acoustic surface wave devices, Acoustic waves, acoustics, Acoustoelectric effects, Cadmium, Chemical sensors, Electric wire, Ethanol, Ethyl-acetate, Fillers, Gas detection, Gas detectors, Gas response, Gas sensors, Langmuir Blodgett techniques, matrix, Methanol, Molecular engineering, Nano-composite layers, Nanocomposites, Nanomaterial, Nanowires, Natural frequencies, Oscillators (electronic), Oxide minerals, Quartz, Resonant frequencies, Resonator oscillator, Resonators, Room temperature, SAW gas sensors, SAW resonators, Semiconducting cadmium compounds, Surface acoustic wave gas sensors, Surface acoustic waves, Tin, Tin dioxide, Toluene, Two-port resonator, Vapor Phase, Vapors |
| Abstract | In this paper we report on Surface Acoustic Wave (SAW) gas sensors based on quartz two-port resonators configured as oscillators at resonant frequency of 915 MHz. Nanowires (NW) of semiconducting tin dioxide (SnO2) have been grown by Vapor Phase (VP) process and used as filler in a nanocomposite layer to fabricate a highly-sensitive nanomaterial for gas detection, at room temperature. The nanocomposite layer consisting of an organic host-matrix of cadmium arachidate (CdA) and a weight-tailored filler of SnO2 NW has been deposited as thin film onto SAW resonators by means of the molecular engineering Langmuir-Blodgett (LB) technique. SAW gas sensors performance was investigated in presence of ppm-level of ethanol, methanol, ethylacetate, toluene, at room temperature. The results demonstrate good sensitivity to vapors under test at ppm-level and a SAW gas response tuned by the weight-content of filler of SnO2 NW in the LB nanocomposite layer. © 2008 IEEE. |
| URL | https://www.scopus.com/inward/record.uri?eid=2-s2.0-67649987344&doi=10.1109%2fICSENS.2008.4716418&partnerID=40&md5=ca9902bd1c2eb20e27fa8f86778855db |
| DOI | 10.1109/ICSENS.2008.4716418 |
| Citation Key | Penza2008204 |
